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-rw-r--r--llvm/cmake/modules/HandleLLVMOptions.cmake2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/cmake/modules/HandleLLVMOptions.cmake b/llvm/cmake/modules/HandleLLVMOptions.cmake
index 8156e8c83ae..1ec16e8b901 100644
--- a/llvm/cmake/modules/HandleLLVMOptions.cmake
+++ b/llvm/cmake/modules/HandleLLVMOptions.cmake
@@ -656,7 +656,7 @@ append_if(LLVM_BUILD_INSTRUMENTED "-fprofile-instr-generate"
CMAKE_EXE_LINKER_FLAGS
CMAKE_SHARED_LINKER_FLAGS)
-option(LLVM_ENABLE_LTO "Build LLVM with LTO. May be specified as Thin or Full to use a particular kind of LTO" OFF)
+set(LLVM_ENABLE_LTO OFF CACHE STRING "Build LLVM with LTO. May be specified as Thin or Full to use a particular kind of LTO")
string(TOUPPER "${LLVM_ENABLE_LTO}" uppercase_LLVM_ENABLE_LTO)
if(uppercase_LLVM_ENABLE_LTO STREQUAL "THIN")
append("-flto=thin" CMAKE_CXX_FLAGS CMAKE_C_FLAGS
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